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Spitzer's view on aromatic and aliphatic hydrocarbon emission in Herbig Ae stars
B. Acke, J. Bouwman, A. Juhash +5
The chemistry of astronomical hydrocarbons, responsible for the well-known infrared emission features detected in a wide variety of targets, remains enigmatic. Here we focus on the…
Gas in Protoplanetary Discs (GASPS) 1. First results
G. S. Mathews, W. R. F. Dent, J. P. Williams +50
Context - Circumstellar discs are ubiquitous around young stars, but rapidly dissipate their gas and dust on timescales of a few Myr. The Herschel space observatory allows for the…
Dust, Ice and Gas in Time (DIGIT) Herschel program first results: A full PACS-SED scan of the gas line emission in protostar DK Cha
T. A. van Kempen, J. D. Green, N. J. Evans +42
DK Cha is an intermediate-mass star in transition from an embedded configuration to a star plus disk stage. We aim to study the composition and energetics of the circumstellar mate…